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相关论文: Automatic Target Recognition (ATR) from SAR Imagin…

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With the advent of self-driving vehicles, autonomous driving systems will have to rely on a vast number of heterogeneous sensors to perform dynamic perception of the surrounding environment. Synthetic Aperture Radar (SAR) systems increase…

The advancement of multi-channel synthetic aperture radar (SAR) system is considered as an upgraded technology for surveillance activities. SAR sensors onboard provide data for coastal ocean surveillance and a view of the oceanic surface…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Surya Prakash Tiwari , Sudhir Kumar Chaturvedi , Subhrangshu Adhikary , Saikat Banerjee , Sourav Basu

This paper presents five different statistical methods for ground scene prediction (GSP) in wavelength-resolution synthetic aperture radar (SAR) images. The GSP image can be used as a reference image in a change detection algorithm yielding…

图像与视频处理 · 电气工程与系统科学 2022-07-26 B. G. Palm , D. I. Alves , M. I. Pettersson , V. T. Vu , R. Machado , R. J. Cintra , F. M. Bayer , P. Dammert , H. Hellsten

This paper addresses the problem of detecting a moving target embedded in Gaussian noise with an unknown covariance matrix for frequency diverse array multiple-input multiple-output (FDA-MIMO) radar. To end it, assume that obtaining a set…

信号处理 · 电气工程与系统科学 2024-03-22 Ping Li , Bang Huang , Wen-Qin Wang

Radar Automated Target Recognition (RATR) for Unmanned Aerial Vehicles (UAVs) involves transmitting Electromagnetic Waves (EMWs) and performing target type recognition on the received radar echo, crucial for defense and aerospace…

信号处理 · 电气工程与系统科学 2024-08-19 Michael Potter , Murat Akcakaya , Marius Necsoiu , Gunar Schirner , Deniz Erdogmus , Tales Imbiriba

This work addresses the question whether it is possible to design a computer-vision based automatic threat recognition (ATR) system so that it can adapt to changing specifications of a threat without having to create a new ATR each time.…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Ankit Manerikar , Tanmay Prakash , Avinash C. Kak

The analysis of Synthetic Aperture Radar (SAR) imagery is an important step in remote sensing applications, and it is a challenging problem due to its inherent speckle noise. One typical solution is to model the data using the $G_I^0$…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Li Fan , Jeova Farias Sales Rocha Neto

This paper proposes a method for detecting multiple scatterers (targets) in the elevation direction for synthetic aperture radar (SAR) tomography. The proposed method can resolve closely spaced targets through a twostep procedure. In the…

信息论 · 计算机科学 2022-04-11 Ahmad Naghavi , Mohammad Sadegh Fazel , Mojtaba Beheshti , Ehsan Yazdian

Generating trajectories for synthetic aperture radar (SAR)-equipped aircraft poses significant challenges due to terrain constraints, and the need for straight-flight segments to ensure high-quality imaging. Related works usually focus on…

The inevitable feature deviation of synthetic aperture radar (SAR) image due to the special imaging principle (depression angle variation) leads to poor recognition accuracy, especially in few-shot learning (FSL). To deal with this problem,…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Xiangyu Zhou , Qianru Wei , Yuhui Zhang

Satellite-based Synthetic Aperture Radar (SAR) images can be used as a source of remote sensed imagery regardless of cloud cover and day-night cycle. However, the speckle noise and varying image acquisition conditions pose a challenge for…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Janne Alatalo , Tuomo Sipola , Mika Rantonen

Distinguishing between the instantaneous and delayed scatterers in synthetic aperture radar (SAR) images is important for target identification and characterization. To perform this task, one can use the autocorrelation analysis of…

图像与视频处理 · 电气工程与系统科学 2019-09-24 Mikhail Gilman , Semyon Tsynkov

This report proposes a robust method for classifying oceanic and atmospheric phenomena using synthetic aperture radar (SAR) imagery. Our proposed method leverages the powerful pre-trained model Swin Transformer v2 Large as the backbone and…

图像与视频处理 · 电气工程与系统科学 2024-05-07 Haonan Xu , Han Yinan , Haotian Si , Yang Yang

The performance of Automated Recognition (ATR) algorithms on side-scan sonar imagery has shown to degrade rapidly when deployed on non benign environments. Complex seafloors and acoustic artefacts constitute distractors in the form of…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Thomas Guerneve , Stephanos Loizou , Andrea Munafo , Pierre-Yves Mignotte

Statistical tracking filters depend on accurate target measurements and uncertainty estimates for good tracking performance. In this work, we propose novel machine learning models for target detection and uncertainty estimation in…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Elizabeth Hou , Ross Greenwood , Piyush Kumar

Detecting ships in synthetic aperture radar (SAR) images is challenging due to strong speckle noise, complex surroundings, and varying scales. This paper proposes MLDet, a multitask learning framework for SAR ship detection, consisting of…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Ming Zhao , Xin Zhang , André Kaup

This paper presents a method for imaging of moving targets using multi-static SAR by treating the problem as one of spatial reflectivity signal inversion over an overcomplete dictionary of target velocities. Since SAR sensor returns can be…

信息论 · 计算机科学 2015-05-13 Ivana Stojanovic , William C. Karl

In this paper, we propose a novel variational active contour model based on I-divergence-TV model to segment Synthetic aperture radar (SAR) images with multiplicative gamma noise, which hybrides edge-based model with region-based model. The…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Guangming Liu

Tomographic synthetic aperture radar (TomoSAR) imaging algorithms based on deep learning can effectively reduce computational costs. The idea of existing researches is to reconstruct the elevation for each range-azimuth cell in…

信号处理 · 电气工程与系统科学 2022-10-06 Yu Ren , Xiaoling Zhang , Yunqiao Hu , Xu Zhan

Small area change detection from synthetic aperture radar (SAR) is a highly challenging task. In this paper, a robust unsupervised approach is proposed for small area change detection from multi-temporal SAR images using deep learning.…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Xinzheng Zhang , Hang Su , Ce Zhang , Xiaowei Gu , Xiaoheng Tan , Peter M. Atkinson